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JUCS - Journal of Universal Computer Science 18(11): 1523-1543
doi:
10.3217/jucs-018-11-1523
Received:
30 Nov 2011 | Approved:
15 May 2012 | Published:
01 Jun 2012
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Author
Yung Bok Kim
- Corresponding author
Sejong University, Seoul, Republic of Korea
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Conflict of interest
The author has declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.